Mec-Gar MGSW5915N 15-Round 9mm Magazine S&W 5900 Series Black Nickel

The Mec-Gar MGSW5915N delivers reliable 15-round capacity for Smith & Wesson 5900 series pistols, addressing the need for extended magazine options beyond factory offerings. This aftermarket magazine provides shooters with increased ammunition capacity while maintaining the dimensional specifications required for proper function. The black nickel finish offers enhanced corrosion resistance compared to standard blued magazines.

What Makes This Different

Mec-Gar manufactures magazines for numerous major firearm companies as an OEM supplier, bringing factory-level quality control to the aftermarket. The MGSW5915N features heat-treated carbon steel construction with precise tolerances that match original equipment specifications. Unlike generic magazines that may require fitting adjustments, Mec-Gar magazines typically function without modification. The 15-round capacity extends beyond standard 10-round options while remaining within legal limits for most jurisdictions.

Key Features

• 15-round capacity in 9mm Luger for extended shooting sessions
• Heat-treated carbon steel body with black nickel corrosion-resistant finish
• Compatible with S&W 5900 series, 915, 910, and 659 pistol models
• High-tensile music wire springs rated for consistent feeding pressure
• Polymer follower designed to reduce friction and binding
• Removable floorplate for easy disassembly and maintenance
• Witness holes for quick ammunition count verification

Field testing demonstrates reliable feeding across various 9mm ammunition weights from 115 to 147 grains. The magazine functions in competitive shooting environments where rapid reloads and consistent feeding prove critical. Law enforcement and civilian shooters report dependable performance in both training and duty applications. The black nickel finish resists fingerprints and maintains appearance under regular handling.

Technical Specs

• Capacity: 15 rounds of 9mm Luger
• Construction: Heat-treated carbon steel body
• Finish: Black nickel plating
• Spring: High-tensile music wire
• Follower: Polymer anti-tilt design
• Compatibility: S&W 5900 series, 915, 910, 659
• Country of Origin: Italy
• Weight: Approximately 4.2 oz empty

The MGSW5915N represents proven Italian manufacturing expertise applied to American pistol platforms. Mec-Gar's reputation as an OEM supplier translates to aftermarket reliability that matches original equipment performance. Shooters seeking extended capacity without compromising function will find this magazine meets factory specifications.